Data Binding, Sql Etc!
Jun 3, 2008
Hi guys, I am about to bind my websites user inputted values into my database. I intend to use sql for this. THe site is very basic, dropdownlists and textboxes. The user is required to choose values and write in questions. Now these inputs ought to be stored somewhere right??, so for that i am using sql. Now i know sql, but how do I store data from a website and all, I have no clue, someone give me basic steps on how to go about doing this pleaseeeeee!!!
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Apr 15, 2007
I want to bind some data to a text box from sql server db. but when i run the page i get an error. here is my code.
<form id="form1" runat="server">
<div>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:imacsConn %>"
SelectCommand="SELECT Reportnumber FROM [SummaryBlue] WHERE REPORTNUMBER = @REPORTNUMBER">
<SelectParameters>
<asp:QueryStringParameter Name="REPORTNUMBER" QueryStringField="REPORTNo" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
<asp:TextBox ID="TextBox1" runat="server" Columns="<%$ ConnectionStrings:imacsConn %>"></asp:TextBox></div>
</form>
Error:
Exception Details: System.FormatException: Input string was not in a correct format.Source Error:
Line 25: </SelectParameters>
Line 26: </asp:SqlDataSource>
Line 27: <asp:TextBox ID="TextBox1" runat="server" Columns="<%$ ConnectionStrings:imacsConn %>"></asp:TextBox></div>
Line 28: </form>
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May 17, 2007
Hi i'm a new to ASP.NET and for some reason when i click the Next button in the code below, the pageIndex does not change. Please assist, Basically what i'm trying to do is to use DataAdapter.fill but passing in the start index and the number of records to pull from the dataset table.
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
public partial class Home : System.Web.UI.Page
{
//ConnectionOleDbConnection dbConn;
//discount that can be change by user using a gui interface
//CurrentPageint pageIndex = 0;double discount = 0.15 ;
protected void Page_Load(object sender, EventArgs e)
{
// homeGridView.Visible = true;
BindList();
}protected string getSpecial(string price,object sale)
{String special = "";if (sale.ToString().CompareTo("True") == 0)
{special = String.Format("{0:C}",double.Parse(price) * (1-discount));
}return special;
}
protected void BindList()
{
//Creating an object for the 'PagedDataSource' for holding the data.
//PagedDataSource objPage = new PagedDataSource();
try
{
//open connection
openConnection();
//sql commandstring columns = "*";
string SqlCommand = "Select " + columns + " from Books";
//create adapters and DataSetOleDbDataAdapter myAdapter = new OleDbDataAdapter(SqlCommand, dbConn);DataSet ds = new DataSet("bSet");
//create tableDataTable dt = new DataTable("Books");myAdapter.Fill(ds, pageIndex, 9, "Books");
Response.Write("Page Index: "+pageIndex);
//create table data viewDataView dv = new DataView(ds.Tables["bTable"]);
booksDataList.DataSource = ds;
booksDataList.DataBind();
myAdapter.Dispose();
dbConn.Close();
}catch (Exception ex)
{
Response.Write("Exception thrown in BindList()");
dbConn.Close();throw ex;
}
}
public void openConnection()
{string provider="Microsoft.Jet.OLEDB.4.0";
string dataSource = "C:/Documents and Settings/Owner/My Documents/Visual Studio 2005/WebSites/E-BookOnline/App_Data/BooksDB.mdb";dbConn = new OleDbConnection("Provider =" + provider + ";" + "Data Source =" + dataSource);
dbConn.Open();
}protected void nextClick(object sender, EventArgs e)
{
pageIndex=pageIndex+1;Response.Write("In nextClick"+pageIndex);
BindList();
}protected void prevClick(object sender, EventArgs e)
{if (pageIndex > 0)
{
pageIndex=pageIndex-1;
BindList();
}
}
}
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May 26, 2006
Hi All
I am new to VS 2005 and ASP.NET. I used to use Dreamweaver to design but now I am trying VS.
What I want to do is to display data retrieved with a SqlDataSource in a web page. I know how to do it by binding it to the various controls (Grid, DataList, DetailsView, FormView, Repeater.) available but how can I display it without using any of the mentioned (Grid, DataList, DetailsView, FormView, Repeater)?
Any help apprecited.
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Jun 30, 2007
hi,i have a DB that contains some tables.so i have a radio button group of tow radio button to display a field.now how can i bind this radio button group to this field for updating and insert a new record?for more explain i brought a little of code below: in .aspx page i have: <asp:RadioButton ID="admin" runat="server" Checked="True" GroupName="membertype"
Text="admin" OnCheckedChanged="admin_CheckedChanged" /><br />
<asp:RadioButton ID="member" runat="server" GroupName="membertype" Text="member" /> -------------------------------------------------------------------------- <asp:ControlParameter ControlID="membertype" Name="isadmin" Type="string" PropertyName="text" />-------------------------------------------------------------------------- UpdateCommand="UPDATE UserManagement SET UserName = @UserName, Password = @Password, FullName = @FullName, Description = @Description, UserID = @UserID ,isadmin=@isadmin,usercitycode=@location WHERE (UserID = @Original_UserID)" note that the type of the "isadmin" field is "nvarchar(50)"thanks,M.H.H
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Mar 31, 2004
I have a block of code that does a Fill() with a DataAdapter, which seems to throw an exception if no values are returned. Then, when I try to bind the DataSet that gets filled, an error occurs, it doesn't even try to bind the column headers or anything.
This process seems to work fine when some rows are found, but it is not always guaranteed that the row count will always be > 0. The nice thing about using the Fill() function, is that it creates all my column headers automatically, so I was just wondering if there's a way to do a Fill() then a subsequent DataBind() to a DataGrid which would automatically format the columns even when no rows are found?
Here's a bit of the source.. if the last line finds no rows, it throws an exception ( I assume this is normal):
strSQL = "SELECT * FROM Prods";
cm.CommandText = strSQL;
da = new SqlDataAdapter( cm );
da.Fill(shelf);
Anyone got any ideas on how to fix this problem?
Brent
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Jun 5, 2007
Hi there,
I'm trying to set an int type attribute to 0 for its Default Value, but it keeps reverting to ((0)). What is causing this?
Every int type attribute on that table does the same. There is one bit type attribute and a bunch of other type of attributes, but non of them are giving me a problem. The table is a copy from another database and I did check all the constraints and properties to make sure they're the same.
Thank you,
--Alex
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Dec 14, 2007
Hi All,
I have written a Query and Stored Procedure in SQL 2000 which fetched around 15 Lac data. It takes around 17 seconds to fetch the data in the Query Analyzer. But when i am using the Query/Stored Procedure in the report and I have deployed it in the server. When i am accessing the report in the application it taking around 2-3 minutes to bind the data.
What might be the issue? My tables in the database has been normalized.
Please help me to sort out this problem.
Regards
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Dec 10, 2007
Hi,
Referring to the book "Data Mining with SQL Server 2005" written by ZhaoHui Tang, I created a Mining Structure and a Mining Model with the AMO API after creating Database and Data Access Objects(referred to code lists from 14-1 to 14-6). I added Nested Table by creating a table column and added a key column to the nested table, while the error showed that in my structure the column of the nested table didn't include effective data bindings when processing.
Thanks for any suggestion!
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Mar 6, 2007
Hi there everyone. I have a stored procedure called “PagingTable� that I use for performing searches and specifying how many results to show per ‘page’ and which page I want to see. This allows me to do my paging on the server-side (the database tier) and only the results that actually get shown on the webpage fly across from my database server to my web server. The code might look something like this:
strSQL = "EXECUTE PagingTable " & _
"@ItemsPerPage = 10, " & _
"@CurrentPage = " & CStr(intCurrentPage) & ", " & _
"@TableName = 'Products', " & _
"@UniqueColumn = 'ItemNumber', " & _
"@Columns = 'ItemNumber, Description, ListPrice, QtyOnHand', " & _
"@WhereClause = '" & strSQLWhere & "'"
The problem is the stored procedure actually returns two result sets. The first result set contains information regarding the total number of results founds, the number of pages and the current page. The second result set contains the data to be shown (the columns specified). In ‘classic’ ASP I did this like this.
'Open the recordset
rsItems.Open strSQL, conn, 0, 1
'Get the values required for drawing the paging table
intCurrentPage = rsItems.Fields("CurrentPage").Value
intTotalPages = rsItems.Fields("TotalPages").Value
intTotalRows = rsItems.Fields("TotalRows").Value
'Advance to the next recordset
Set rsItems = rsItems.NextRecordset
I am trying to do this now in ASP.NET 2.0 using the datasource control and the repeater control. Any idea how I can accomplish two things:
A) Bind the repeater control to the second resultset
B) Build a “pager� of some sort using the values from the first resultset
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Apr 1, 2015
when i do a snapshot i have it set up to truncate before inserting. As a result I'm getting an error saying that it cant truncate a table reference in an indexed view. What settings should i use to allow for a snapshot in this instance? Should i manually drop the databinding then snap then recreate the databinding? there has to be a better way
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Jun 16, 2007
hi guys! help please..how will bind my texbox (TxtLastName) to my dataset (dsLastName) column (User_LastName). Thanks in avdance!
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Dec 6, 2006
I've got SQL 2k5 on a Win2k3 box. I'm trying to find information or a how to on how to set up SQL to only respond to requests on a particular IP
Can anybody point me in the right direction or explain how?
v
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Oct 1, 2007
Hi all
I have a form view which uses a SQL data source control to retrieve it's data from the sql express database
the form view is used for view,edit,delete and insert data into the database
in the insert mode I have two dropdownlists, where the second one is depending on the first one to retrieve the correct data from the data base BUT
when selecting a value in the first dropdownlist it give me the following erro:
Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control.
Please How can do this
any help is appriciated
bye
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Mar 20, 2008
Hey guys, Am in need of help please, basically the program im working with at the moment is when you add a New Contract, it will grab the Contract Number you have entered, Post it over to another page, then using that number bind a Gridview. The SQL being "SELECT Contract_ID, Contract_Number, Start_Date, End_Date, Quarterly_Rent FROM ECS_Contracts_Test WHERE Contract_Number = " & conNoVar (this being the Contract Number of the recently added Contract), however then it comes to Bind the Grid it kicks up an System.Data.SqlClient.SqlException: Syntax error converting the nvarchar value
'2009P7899' to a column of data type int.But the Column Contract_Number is set to Varchar and all I really want to do is to create this gridview using this criteria and not convert anything! The Contract_ID is an int, which is needed as I increment it. Heres the error code: Public Sub BindtheGrid()'Bind the Contract Grid, where ContractID is used
Dim SQL As String = "Contract_ID, Contract_Number, Start_Date, End_Date, Quarterly_Rent"
Dim objConn As SqlConnection = New SqlConnection(ConnectionString)
Dim cmdstock As SqlCommand = New SqlCommand("SELECT " & SQL & " FROM ECS_Contracts_Test WHERE Contract_Number = " & contractQueryID, objConn)
cmdstock.CommandType = CommandType.Text
objConn.Open()
GridView1.DataSource = cmdstock.ExecuteReader()
GridView1.DataBind()
objConn.Close()
End Sub If you need any more information then please let me know. Mucho Aprreciated
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Mar 24, 2006
I have this stored procedure that almost works:
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER PROCEDURE [dbo].[udForumTopicMessageByForumTopicID]
@ForumTopicID int
AS
SELECT
ftm_parent.ForumTopicMessageID AS "ForumTopicMessageID",
ftm_parent.ForumTopicID AS "ForumTopicID",
ftm_parent.ContactID AS "ContactID",
ftm_parent.MessageTitle AS "MessageTitle",
ftm_parent.MessageText AS "MessageText",
ftm_parent.ApprovedInd AS "Approved",
ftm_parent.ReviewedInd AS "ReviewedInd",
ftm_parent.ParentMessageID AS "ParentMessageID",
ftm_parent.OwnerCompany AS "ForumTopicMessageOwnerCompany",
ftm_parent.CreateUser AS "ForumTopicMessageCreateUser",
ftm_parent.UpdateUser AS "ForumTopicMessageUpdateUser",
ftm_parent.CreateDate AS "ForumTopicMessageCreateDate",
ftm_parent.UpdateDate AS "ForumTopicMessageUpdateDate",
'('+CAST(ChildResponseCount As VARCHAR(10))+')' As "ChildResponseCount",
(T_Contact.Lastname + ', ' + T_Contact.Firstname) As "ContactName"
FROM [T_ForumTopicMessage] as ftm_parent
INNER JOIN [T_Contact] ON [T_Contact].ContactID = ftm_parent.ContactID
Left JOIN
(Select
COUNT([T_ForumTopicMessage].ForumTopicMessageID) As "ChildResponseCount",
MAX([T_ForumTopicMessage].ParentMessageID) AS "ParentMessageID"
FROM
[T_ForumTopicMessage]
WHERE [T_ForumTopicMessage].ParentMessageID = ftm_parent.ForumTopicMessageID
group by [T_ForumTopicMessage].ForumTopicMessageID)
as ftm_child ON ftm_parent.ForumTopicMessageID = ftm_child.ParentMessageID
WHERE ftm_parent.ForumTopicID = @ForumTopicID
ORDER BY ftm_parent.CreateDate
See the purple ftm_parent.ForumtopicMessageID. If I hard-code that to a 2, this works. With the fieldname there, SQL Server Management Studio says:
Msg 4104, Level 16, State 1, Procedure udForumTopicMessageByForumTopicID, Line 9
The multi-part identifier "ftm_parent.ForumTopicMessageID" could not be bound.
If any experts out there can help me out with this, I'm sure it wouldn't take much to fix.
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Feb 20, 2007
I am building a web app with a sql db.
The data base is all fine.
I can display information from the db with a gridview from a sqldata source....all ok
What I cant seem to do, is tie a drop down list box with a,b,,c items to call the column
with the ..."all items starting with the letter a"
I have writen SELECT WHERE statement that (a%) which works fine at pulling what I want to the gridview
and displays it fine.
Does the gridview conect to the source..... and the drop dlbox connect to the grid
Or each have its own conection to the source........or drop conects to source and grid
conects to
You can see my dilema .
c# web dev
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Feb 22, 2007
hi guys,
i want to count the number of times a particular data occurs in a table and display that data in a listbox
initially i planned to count the number of occurrences and bind that number to a variable for further manipulation but i have no idea how to do the binding part
how do i solve this?
thanx
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Jun 30, 2006
I am new to .net and I am using Visual Web Developer 2005 Express with SQL Server 2005 Express. What I would like to do is connect to my SQL database (which resides in the app_data folder) and open a table and pull out a field and place it in either a textbox or label on the page. No editing or deleting. Just simple one field binding. By the way, I can do this with all the cool built-in tools of VWD, but I want to know how to do it all by hand. I would really appreciate it if someone could help me out.
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Aug 14, 2006
I have search for answers to the all over google and every thing I have found so far did not work for some reason or anothr. .
Here is what I am looking for I am codeing in Visual Studio using C#. I have been able to crate a connection and create taxt boxes with a submit button that when it is presed enters data in to a database (Sql server) what I have been unable to do is:
1. Display data in a text box.
2. Update data
3. create buttons to navagate through fields.
I know I can do this with the gridview or datagrid but in really need a custome form for what I am doing.
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Dec 4, 2006
I am using C#.Net, Visual web Developer, SQL server 2000. I have a SQL query which I am binding it to a DataGrid. SQL : "SELECT ord_number, ord_ID, ord_split, ord_Name, ETD_Date, OSP_FSD FROM ORDERS" In My DataGrid I have a dynamic databound column. I am able to bind one column to this databound column using following code. BoundColumn ETDDate = new BoundColumn(); ETDDate.HeaderText = "ETD Date"; ETDDate.DataField = "OSP_FSD"; mygrid2.Columns.AddAt(ETDDate); but now I want to bind this databound column based on the following criteria to two different database columns. if(ord_split = 1) { ETDDate.DataField = "OSP_FSD"; } else { ETDDate.DataField = "ETD_Date"; } How to get value of ord_split before binding SQL to teh DataGrid? i.e I just want to take value of ord_split and not all the values of SQL. Please Help!
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Feb 13, 2007
This is an easy question. I thought I have databinded a textbox to a SQLDataSource. But now I do not see how to do that now. Can somebody help with this?
Thanks,
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Mar 9, 2007
Hi, I wants to bind textbox with sqldatasource in c#.net so I am using following code and has following error... Exception Details: System.NullReferenceException: Object reference not
set to an instance of an object.Source Error:
Line 22: Line 23: System.Data.DataView dv = (DataView) SqlDataSource1.Select(System.Web.UI.DataSourceSelectArguments.Empty);Line 24: TextBox1.Text = dv[0]["Proid"].ToString();Line 25: Line 26: }Please, anybody knows solution tell me
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Apr 1, 2007
Ok I have a script to generate a database, and newly added to the database is a date fild for a specfic table. I have the 'Default value or binding' set to (getdate()) how exactly would you add that to the script for then the table is initialy generated. Or is it soemthing I would need another script to do right after the table generation.This is the script for the table in question:CREATE TABLE [dbo].[cust_file] ( [id] [int] IDENTITY (1, 1) NOT NULL , [customer_id] [int] NULL , [filename] [varchar] (255) NULL , [filedata] [image] NULL , [contenttype] [varchar] (255) NULL , [length] [int] NULL, [added_date] [datetime] NULL) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]GO
Any help would be great,Tim MeersWannabe developer.
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Jul 30, 2007
Hi all,
The Scenario:
Database1:Table1(callingPartyNumber,originalCalledPartyNumber, finalCalledPartyNumber, DateTimeConnect, DateTimeDisconnect, Duration)
Database2:Table2(Name,Number)
Output in Gridview:
callingPartyNumber
Name
originalCalledPartyNumber
finalcalledPartyNumber
dateTimeConnected
dateTimeDisconnected
Duration (HH:MM:SS)
I bind gridview programatically using DataTable and stored procedures. The data comes from a table (Table1) in a database (Database1) on SQL Server. The gridview displays fields callingPartyNumber, originalCalledPartyNumber, finalCalledPartyNumber, DateTimeConnect, DateTimeDisconnect and Duration in this order. All the columns in this gridview are databound columns.
I have another table (Table2) in a seperate SQL Server database (Database2) but on the same server which maps the callingPartNumber value with the name attached with that number. Note that the field names in Table2 are different from the field names in Table1. Is it possible to display the Name field also in the gridview after the first field callingPartyNumber and then the other fields.
Its like data coming from two tables into the gridview.
Thanks
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Oct 23, 2007
Hi all. I have a label on my page and I want to bind it to a field in a table. The catch is that I want to bind it to the last row in the table. I think I can use the custom binding, but I don't know how to bind to the last row. Any Suggestions ?
p.s. The page is tied to an SqlDataSource that retrieves the data from the above table.
Thanks in advance.
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Jun 1, 2008
Hi,
How can you bind to a text box, (or any other non binding control) to a datasource?
Many thanks
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Jan 10, 2006
Hi, I am using a SQL DataSource with a few parameters. I need to specify the value of the parameters at run time but I need a custom way to do it as the value needs to be calculated not come from Cookie, Control, Form, Profile, QueryString or Session. Is there a way to bind your own value to these parameters. For instance if I had a variable how would I bind that to the parameter?
At the moment i am doing the following which works but I dont think it is the correct way
dsMyDataSource.SelectParameters["MyParameter"].DefaultValue = MyCalculatedValue;
In previous projects i have added a value to the Session and then bound the parameter value to the session but that doesnt seem like a good solution either.
Thanks for any help you can give.
Martin
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Apr 6, 2006
I am real new to SQL Server. We are using SQL Server 2000.
My objective is to get a list of all store procedures for specific database. To accomplish this, I programmatically create a connection to the 'master' database where the sp resides, create a callablestatment for 'sp_stored_procedures' ({call sp_stored_procedures(?,?,?)}). I am passing in null, null, and the database name. When I execute the query, I get the below error:
Code:
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Invalid parameter binding(s).
at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
When I made the connection to the master database, I used one of the existing users from the master database.
I looked at the store procedure and verified the sp has 3 input parameter. The first two can be null.
I am not sure why I can not run this sp. I am wondering if we have the database setup properly. Any help or suggestions would be well worth it at this point.
Thanks in advance for reading my post.
Russ
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Jul 23, 2005
Greetings all,I am a network security professional rather than a MS SQL admin, so Iapologize in advance if this is a bit of a basic question for thislist. I also cross-posted this to microsoft.public.sqlserver.server,so sorry if anyone's read it already.I know an admin setting up a SQL server that will only beaccesible by a webserver running on the same host (not happy aboutrunning private vs publicly avaialable services on the same host , butit's what we've got). As such, I'd like to recommend to him that theSQL server only listen on the localhost ip, 127.0.0.1, thereby makingit inaccesible to the outside world. I looked around the MSknowledgebase but couldn't find a clear document stating how to dothis. Is it even possible? Is there a better option for thisconfiguration?It's been suggested that firewalling is the only option, but I'd reallylike to do *both* (firewall & bind to localhost). The firewall in thiscase will have to be host-based instead (software) instead of hardwarefor non-technical reasons, so additionally if anyone recommends asoftware firewall they use for this purpose I'd appreciate it. My firsimpulse is to recommend Tiny, but I've never used a software firewallfor an MS SQL/Web server before.Thanks,Brian
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Aug 7, 2006
I'm implementing some database formatting and I need that values withina column have certain limits ... let's say for example, they shouldn'tbe <0 or >10000, but in the case I'm inserting values bigger then 10000I would like that MSSQL "clip" this value to the upper limit (10000 inthis case) and the same with the lower limit (zero in this case).Is that possible? or SQL just respond me with an error when the valuesgo beyond those limits and will abort the transaction?Can someone put some light on this please???Nacho
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Feb 22, 2007
I've painstakingly managed to get a XmlDocument from a webservice and run this to retrieve data.
However, i cannot bind any of the returned elements to anything. Any help appreciated.
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Jun 26, 2006
Hey guys, how can I use a long text as default value in my database (column properties)?I tried to paste my 10 row text into the field but it will only paste the first row as default value.any ideas??
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